public void Convert_Is_Able_To_Convert_Twenty_To_TwentyNine()
{
// Arrange
Dictionary<int, string> entries = new Dictionary<int, string>()
{
{ 20, "zwanzig" },
{ 21, "ein und zwanzig" },
{ 22, "zwei und zwanzig" },
{ 23, "drei und zwanzig" },
{ 24, "vier und zwanzig" },
{ 25, "fünf und zwanzig" },
{ 26, "sechs und zwanzig" },
{ 27, "sieben und zwanzig" },
{ 28, "acht und zwanzig" },
{ 29, "neun und zwanzig" },
};
NumberConverter target = new NumberConverter();
foreach (var entry in entries)
{
// Act
var result = target.Convert(entry.Key);
// Assert
Assert.AreEqual(entry.Value, result);
}
}
static void Main(string[] args)
{
NumberConverter converter = new NumberConverter();
System.Console.WriteLine("Type \"exit\" to close the application...");
while (true)
{
System.Console.WriteLine("\nEnter a number:");
string input = System.Console.ReadLine();
if (input == "exit")
{
break;
}
else
{
int value = 0;
if (!int.TryParse(input, out value))
{
System.Console.WriteLine("Error");
}
else
{
System.Console.WriteLine(converter.Convert(value));
}
}
}
}
public PartialViewResult GetNumberInWords(int value)
{
string result = string.Empty;
if (ViewData.ModelState.IsValid)
{
NumberConverter converter = new NumberConverter();
result = converter.Convert(value);
}
else
{
result = "Error";
}
return PartialView((object)result);
}
public void Convert_Is_Able_To_Convert_From_Zero_To_Nineteen()
{
// Arrange
Dictionary<int, string> entries = new Dictionary<int, string>()
{
{ 0, "null" },
{ 1, "eins" },
{ 2, "zwei" },
{ 3, "drei" },
{ 4, "vier" },
{ 5, "fünf" },
{ 6, "sechs" },
{ 7, "sieben" },
{ 8, "acht" },
{ 9, "neun" },
{ 10, "zehn" },
{ 11, "elf" },
{ 12, "zwölf" },
{ 13, "dreizehn" },
{ 14, "vierzehn" },
{ 15, "fünfzehn" },
{ 16, "sechzehn" },
{ 17, "siebzehn" },
{ 18, "achtzehn" },
{ 19, "neunzehn" },
};
NumberConverter target = new NumberConverter();
foreach (var entry in entries)
{
// Act
var result = target.Convert(entry.Key);
// Assert
Assert.AreEqual(entry.Value, result);
}
}
public void Convert_One_Returns_String_Eins()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(1);
// Assert
Assert.AreEqual("eins", result);
}
public void Convert_Method_Returns_Not_An_Empty_Or_Null_String()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(0);
// Assert
Assert.IsFalse(String.IsNullOrEmpty(result));
}
public void Ensure_Proper_Endings()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var resultMillionSingular = target.Convert(1000000);
var resultMillionPlural = target.Convert(2000000);
var resultBillionSingular = target.Convert(1000000000);
var resultBillionPlural = target.Convert(2000000000);
// Assert
Assert.IsTrue(resultMillionSingular.EndsWith("million"));
Assert.IsTrue(resultMillionPlural.EndsWith("millionen"));
Assert.IsTrue(resultBillionSingular.EndsWith("milliarde"));
Assert.IsTrue(resultBillionPlural.EndsWith("milliarden"));
}
public void Convert_Zero_Returns_String_Null()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(0);
// Assert
Assert.AreEqual("null", result);
}
public void Convert_Produces_Proper_Output_For_Twenty_To_Ninety()
{
// Arrange
Dictionary<int, string> entries = new Dictionary<int, string>()
{
{ 20, "zwanzig" },
{ 30, "dreißig" },
{ 40, "vierzig" },
{ 50, "fünfzig" },
{ 60, "sechzig" },
{ 70, "siebzig" },
{ 80, "achtzig" },
{ 90, "neunzig" },
};
NumberConverter target = new NumberConverter();
foreach (var entry in entries)
{
// Act
var result = target.Convert(entry.Key);
// Assert
Assert.AreEqual(entry.Value, result);
}
}
public void Convert_Produces_Proper_Output_For_One_Thousand()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(1000);
// Assert
Assert.AreEqual("ein tausend", result);
}
public void Convert_Produces_Proper_Output_For_999()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(999);
// Assert
Assert.AreEqual("neun hundert neun und neunzig", result);
}
public void Convert_Produces_Proper_Output_For_1234567890()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(1234567890);
// Assert
Assert.AreEqual("eine milliarde zwei hundert vier und dreißig millionen fünf hundert sieben und sechzig tausend acht hundert neunzig", result);
}
public void Convert_Produces_Proper_Output_For_1234()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(1234);
// Assert
Assert.AreEqual("ein tausend zwei hundert vier und dreißig", result);
}
public void Convert_Produces_Proper_Output_For_116()
{
// Arrange
NumberConverter target = new NumberConverter();
// Act
var result = target.Convert(116);
// Assert
Assert.AreEqual("ein hundert sechzehn", result);
}